141 	struct elf32_phdr *phdr;  in elf_fdpic_fetch_phdrs()  local
161 	phdr = params->phdrs;  in elf_fdpic_fetch_phdrs()
162 	for (loop = 0; loop < params->hdr.e_phnum; loop++, phdr++) {  in elf_fdpic_fetch_phdrs()
163 		if (phdr->p_type != PT_GNU_STACK)  in elf_fdpic_fetch_phdrs()
166 		if (phdr->p_flags & PF_X)  in elf_fdpic_fetch_phdrs()
171 		params->stack_size = phdr->p_memsz;  in elf_fdpic_fetch_phdrs()
186 	struct elf_phdr *phdr;  in load_elf_fdpic_binary()  local
229 	phdr = exec_params.phdrs;  in load_elf_fdpic_binary()
231 	for (i = 0; i < exec_params.hdr.e_phnum; i++, phdr++) {  in load_elf_fdpic_binary()
232 		switch (phdr->p_type) {  in load_elf_fdpic_binary()
235 			if (phdr->p_filesz > PATH_MAX)  in load_elf_fdpic_binary()
238 			if (phdr->p_filesz < 2)  in load_elf_fdpic_binary()
242 			interpreter_name = kmalloc(phdr->p_filesz, GFP_KERNEL);  in load_elf_fdpic_binary()
246 			pos = phdr->p_offset;  in load_elf_fdpic_binary()
248 					     phdr->p_filesz, &pos);  in load_elf_fdpic_binary()
249 			if (unlikely(retval != phdr->p_filesz)) {  in load_elf_fdpic_binary()
256 			if (interpreter_name[phdr->p_filesz - 1] != '\0')  in load_elf_fdpic_binary()
291 				exec_params.load_addr = phdr->p_vaddr;  in load_elf_fdpic_binary()
745 	struct elf32_phdr *phdr;  in elf_fdpic_map_file()  local
807 	phdr = params->phdrs;  in elf_fdpic_map_file()
809 	for (loop = 0; loop < params->hdr.e_phnum; loop++, phdr++) {  in elf_fdpic_map_file()
810 		if (phdr->p_type != PT_LOAD)  in elf_fdpic_map_file()
813 		if (phdr->p_offset > params->hdr.e_phoff ||  in elf_fdpic_map_file()
814 		    phdr->p_offset + phdr->p_filesz < stop)  in elf_fdpic_map_file()
819 			if (phdr->p_vaddr >= seg->p_vaddr &&  in elf_fdpic_map_file()
820 			    phdr->p_vaddr + phdr->p_filesz <=  in elf_fdpic_map_file()
823 					(phdr->p_vaddr - seg->p_vaddr) +  in elf_fdpic_map_file()
825 					params->hdr.e_phoff - phdr->p_offset;  in elf_fdpic_map_file()
833 	phdr = params->phdrs;  in elf_fdpic_map_file()
834 	for (loop = 0; loop < params->hdr.e_phnum; loop++, phdr++) {  in elf_fdpic_map_file()
835 		if (phdr->p_type != PT_DYNAMIC)  in elf_fdpic_map_file()
840 			if (phdr->p_vaddr >= seg->p_vaddr &&  in elf_fdpic_map_file()
841 			    phdr->p_vaddr + phdr->p_memsz <=  in elf_fdpic_map_file()
847 					(phdr->p_vaddr - seg->p_vaddr) +  in elf_fdpic_map_file()
853 				if (phdr->p_memsz == 0 ||  in elf_fdpic_map_file()
854 				    phdr->p_memsz % sizeof(Elf32_Dyn) != 0)  in elf_fdpic_map_file()
857 				tmp = phdr->p_memsz / sizeof(Elf32_Dyn);  in elf_fdpic_map_file()
928 	struct elf32_phdr *phdr;  in elf_fdpic_map_file_constdisp_on_uclinux()  local
937 	phdr = params->phdrs;  in elf_fdpic_map_file_constdisp_on_uclinux()
938 	for (loop = 0; loop < params->hdr.e_phnum; loop++, phdr++) {  in elf_fdpic_map_file_constdisp_on_uclinux()
942 		if (base > phdr->p_vaddr)  in elf_fdpic_map_file_constdisp_on_uclinux()
943 			base = phdr->p_vaddr;  in elf_fdpic_map_file_constdisp_on_uclinux()
944 		if (top < phdr->p_vaddr + phdr->p_memsz)  in elf_fdpic_map_file_constdisp_on_uclinux()
945 			top = phdr->p_vaddr + phdr->p_memsz;  in elf_fdpic_map_file_constdisp_on_uclinux()
962 	phdr = params->phdrs;  in elf_fdpic_map_file_constdisp_on_uclinux()
963 	for (loop = 0; loop < params->hdr.e_phnum; loop++, phdr++) {  in elf_fdpic_map_file_constdisp_on_uclinux()
967 		seg->addr = maddr + (phdr->p_vaddr - base);  in elf_fdpic_map_file_constdisp_on_uclinux()
968 		seg->p_vaddr = phdr->p_vaddr;  in elf_fdpic_map_file_constdisp_on_uclinux()
969 		seg->p_memsz = phdr->p_memsz;  in elf_fdpic_map_file_constdisp_on_uclinux()
971 		ret = read_code(file, seg->addr, phdr->p_offset,  in elf_fdpic_map_file_constdisp_on_uclinux()
972 				       phdr->p_filesz);  in elf_fdpic_map_file_constdisp_on_uclinux()
977 		if (phdr->p_offset == 0)  in elf_fdpic_map_file_constdisp_on_uclinux()
981 		if (phdr->p_filesz < phdr->p_memsz) {  in elf_fdpic_map_file_constdisp_on_uclinux()
982 			if (clear_user((void *) (seg->addr + phdr->p_filesz),  in elf_fdpic_map_file_constdisp_on_uclinux()
983 				       phdr->p_memsz - phdr->p_filesz))  in elf_fdpic_map_file_constdisp_on_uclinux()
988 			if (phdr->p_flags & PF_X) {  in elf_fdpic_map_file_constdisp_on_uclinux()
992 						phdr->p_memsz;  in elf_fdpic_map_file_constdisp_on_uclinux()
996 				mm->end_data = seg->addr + phdr->p_memsz;  in elf_fdpic_map_file_constdisp_on_uclinux()
1016 	struct elf32_phdr *phdr;  in elf_fdpic_map_file_by_direct_mmap()  local
1027 	phdr = params->phdrs;  in elf_fdpic_map_file_by_direct_mmap()
1028 	for (loop = 0; loop < params->hdr.e_phnum; loop++, phdr++) {  in elf_fdpic_map_file_by_direct_mmap()
1032 		if (phdr->p_type != PT_LOAD)  in elf_fdpic_map_file_by_direct_mmap()
1036 		       (unsigned long) phdr->p_vaddr,  in elf_fdpic_map_file_by_direct_mmap()
1037 		       (unsigned long) phdr->p_offset,  in elf_fdpic_map_file_by_direct_mmap()
1038 		       (unsigned long) phdr->p_filesz,  in elf_fdpic_map_file_by_direct_mmap()
1039 		       (unsigned long) phdr->p_memsz);  in elf_fdpic_map_file_by_direct_mmap()
1042 		if (phdr->p_flags & PF_R) prot |= PROT_READ;  in elf_fdpic_map_file_by_direct_mmap()
1043 		if (phdr->p_flags & PF_W) prot |= PROT_WRITE;  in elf_fdpic_map_file_by_direct_mmap()
1044 		if (phdr->p_flags & PF_X) prot |= PROT_EXEC;  in elf_fdpic_map_file_by_direct_mmap()
1059 			maddr = phdr->p_vaddr;  in elf_fdpic_map_file_by_direct_mmap()
1070 				delta_vaddr = phdr->p_vaddr;  in elf_fdpic_map_file_by_direct_mmap()
1073 				maddr = load_addr + phdr->p_vaddr - delta_vaddr;  in elf_fdpic_map_file_by_direct_mmap()
1089 		disp = phdr->p_vaddr & ~PAGE_MASK;  in elf_fdpic_map_file_by_direct_mmap()
1090 		maddr = vm_mmap(file, maddr, phdr->p_memsz + disp, prot, flags,  in elf_fdpic_map_file_by_direct_mmap()
1091 				phdr->p_offset - disp);  in elf_fdpic_map_file_by_direct_mmap()
1094 		       loop, phdr->p_memsz + disp, prot, flags,  in elf_fdpic_map_file_by_direct_mmap()
1095 		       phdr->p_offset - disp, maddr);  in elf_fdpic_map_file_by_direct_mmap()
1102 			load_addr += PAGE_ALIGN(phdr->p_memsz + disp);  in elf_fdpic_map_file_by_direct_mmap()
1105 		seg->p_vaddr = phdr->p_vaddr;  in elf_fdpic_map_file_by_direct_mmap()
1106 		seg->p_memsz = phdr->p_memsz;  in elf_fdpic_map_file_by_direct_mmap()
1109 		if (phdr->p_offset == 0)  in elf_fdpic_map_file_by_direct_mmap()
1126 		excess = phdr->p_memsz - phdr->p_filesz;  in elf_fdpic_map_file_by_direct_mmap()
1127 		excess1 = PAGE_SIZE - ((maddr + phdr->p_filesz) & ~PAGE_MASK);  in elf_fdpic_map_file_by_direct_mmap()
1131 			unsigned long xaddr = maddr + phdr->p_filesz + excess1;  in elf_fdpic_map_file_by_direct_mmap()
1149 			       loop, maddr + phdr->p_filesz, excess1);  in elf_fdpic_map_file_by_direct_mmap()
1150 			if (clear_user((void __user *) maddr + phdr->p_filesz,  in elf_fdpic_map_file_by_direct_mmap()
1158 			       loop, maddr + phdr->p_filesz, excess);  in elf_fdpic_map_file_by_direct_mmap()
1159 			if (clear_user((void *) maddr + phdr->p_filesz, excess))  in elf_fdpic_map_file_by_direct_mmap()
1165 			if (phdr->p_flags & PF_X) {  in elf_fdpic_map_file_by_direct_mmap()
1168 					mm->end_code = maddr + phdr->p_memsz;  in elf_fdpic_map_file_by_direct_mmap()
1172 				mm->end_data = maddr + phdr->p_memsz;  in elf_fdpic_map_file_by_direct_mmap()
1278 static inline void fill_elf_note_phdr(struct elf_phdr *phdr, int sz, loff_t offset)  in fill_elf_note_phdr()  argument
1280 	phdr->p_type = PT_NOTE;  in fill_elf_note_phdr()
1281 	phdr->p_offset = offset;  in fill_elf_note_phdr()
1282 	phdr->p_vaddr = 0;  in fill_elf_note_phdr()
1283 	phdr->p_paddr = 0;  in fill_elf_note_phdr()
1284 	phdr->p_filesz = sz;  in fill_elf_note_phdr()
1285 	phdr->p_memsz = 0;  in fill_elf_note_phdr()
1286 	phdr->p_flags = 0;  in fill_elf_note_phdr()
1287 	phdr->p_align = 0;  in fill_elf_note_phdr()
1593 		struct elf_phdr phdr;  in elf_fdpic_core_dump()  local
1598 		phdr.p_type = PT_LOAD;  in elf_fdpic_core_dump()
1599 		phdr.p_offset = offset;  in elf_fdpic_core_dump()
1600 		phdr.p_vaddr = meta->start;  in elf_fdpic_core_dump()
1601 		phdr.p_paddr = 0;  in elf_fdpic_core_dump()
1602 		phdr.p_filesz = meta->dump_size;  in elf_fdpic_core_dump()
1603 		phdr.p_memsz = sz;  in elf_fdpic_core_dump()
1604 		offset += phdr.p_filesz;  in elf_fdpic_core_dump()
1605 		phdr.p_flags = 0;  in elf_fdpic_core_dump()
1607 			phdr.p_flags |= PF_R;  in elf_fdpic_core_dump()
1609 			phdr.p_flags |= PF_W;  in elf_fdpic_core_dump()
1611 			phdr.p_flags |= PF_X;  in elf_fdpic_core_dump()
1612 		phdr.p_align = ELF_EXEC_PAGESIZE;  in elf_fdpic_core_dump()
1614 		if (!dump_emit(cprm, &phdr, sizeof(phdr)))  in elf_fdpic_core_dump()